source/auth/kerberos/kerberos.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    simple kerberos5 routines for active directory
   4    Copyright (C) Andrew Tridgell 2001
   5    Copyright (C) Luke Howard 2002-2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #if defined(HAVE_KRB5)
  23
  24 #include "auth/credentials/credentials.h"
  25 #include "auth/kerberos/krb5_init_context.h"
  26 #include "librpc/gen_ndr/krb5pac.h"
  27
  28 struct auth_serversupplied_info;
  29
  30 struct ccache_container {
  31         struct smb_krb5_context *smb_krb5_context;
  32         krb5_ccache ccache;
  33 };
  34
  35
  36 struct gssapi_creds_container {
  37         gss_cred_id_t creds;
  38 };
  39
  40
  41 struct keytab_container {
  42         struct smb_krb5_context *smb_krb5_context;
  43         krb5_keytab keytab;
  44 };
  45
  46 /* not really ASN.1, but RFC 1964 */
  47 #define TOK_ID_KRB_AP_REQ       ((const uint8_t *)"\x01\x00")
  48 #define TOK_ID_KRB_AP_REP       ((const uint8_t *)"\x02\x00")
  49 #define TOK_ID_KRB_ERROR        ((const uint8_t *)"\x03\x00")
  50 #define TOK_ID_GSS_GETMIC       ((const uint8_t *)"\x01\x01")
  51 #define TOK_ID_GSS_WRAP         ((const uint8_t *)"\x02\x01")
  52
  53 #ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE
  54 #define KRB5_KEY_TYPE(k)        ((k)->keytype)
  55 #define KRB5_KEY_LENGTH(k)      ((k)->keyvalue.length)
  56 #define KRB5_KEY_DATA(k)        ((k)->keyvalue.data)
  57 #else
  58 #define KRB5_KEY_TYPE(k)        ((k)->enctype)
  59 #define KRB5_KEY_LENGTH(k)      ((k)->length)
  60 #define KRB5_KEY_DATA(k)        ((k)->contents)
  61 #endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
  62
  63 #ifndef HAVE_KRB5_SET_REAL_TIME
  64 krb5_error_code krb5_set_real_time(krb5_context context, int32_t seconds, int32_t microseconds);
  65 #endif
  66
  67 #ifndef HAVE_KRB5_SET_DEFAULT_TGS_KTYPES
  68 krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc);
  69 #endif
  70
  71 #if defined(HAVE_KRB5_AUTH_CON_SETKEY) && !defined(HAVE_KRB5_AUTH_CON_SETUSERUSERKEY)
  72 krb5_error_code krb5_auth_con_setuseruserkey(krb5_context context, krb5_auth_context auth_context, krb5_keyblock *keyblock);
  73 #endif
  74
  75 #ifndef HAVE_KRB5_FREE_UNPARSED_NAME
  76 void krb5_free_unparsed_name(krb5_context ctx, char *val);
  77 #endif
  78
  79 #if defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING) && !defined(HAVE_KRB5_PRINC_COMPONENT)
  80 const krb5_data *krb5_princ_component(krb5_context context, krb5_principal principal, int i );
  81 #endif
  82
  83 /* Samba wrapper function for krb5 functionality. */
  84 void setup_kaddr( krb5_address *pkaddr, struct sockaddr *paddr);
  85 int create_kerberos_key_from_string(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype);
  86 int create_kerberos_key_from_string_direct(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype);
  87 krb5_const_principal get_principal_from_tkt(krb5_ticket *tkt);
  88 krb5_error_code get_kerberos_allowed_etypes(krb5_context context, krb5_enctype **enctypes);
  89 void free_kerberos_etypes(krb5_context context, krb5_enctype *enctypes);
  90 BOOL get_krb5_smb_session_key(krb5_context context, krb5_auth_context auth_context, DATA_BLOB *session_key, BOOL remote);
  91 krb5_error_code ads_krb5_mk_req(krb5_context context,
  92                                 krb5_auth_context *auth_context,
  93                                 const krb5_flags ap_req_options,
  94                                 const char *principal,
  95                                 krb5_ccache ccache,
  96                                 krb5_data *outbuf);
  97 BOOL get_auth_data_from_tkt(TALLOC_CTX *mem_ctx, DATA_BLOB *auth_data, krb5_ticket *tkt);
  98  NTSTATUS ads_verify_ticket(TALLOC_CTX *mem_ctx,
  99                             struct smb_krb5_context *smb_krb5_context,
 100                             krb5_auth_context *auth_context,
 101                             struct cli_credentials *machine_account,
 102                             const char *service,
 103                             const DATA_BLOB *enc_ticket,
 104                             krb5_ticket **tkt,
 105                             DATA_BLOB *ap_rep,
 106                             krb5_keyblock **keyblock);
 107 int kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc,
 108                                krb5_principal principal, const char *password,
 109                                time_t *expire_time, time_t *kdc_time);
 110 int kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc,
 111                                krb5_principal principal, krb5_keyblock *keyblock,
 112                                time_t *expire_time, time_t *kdc_time);
 113 krb5_principal kerberos_fetch_salt_princ_for_host_princ(krb5_context context,
 114                                                         krb5_principal host_princ,
 115                                                         int enctype);
 116 void kerberos_set_creds_enctype(krb5_creds *pcreds, int enctype);
 117 BOOL kerberos_compatible_enctypes(krb5_context context, krb5_enctype enctype1, krb5_enctype enctype2);
 118 void kerberos_free_data_contents(krb5_context context, krb5_data *pdata);
 119 krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry);
 120 char *smb_get_krb5_error_message(krb5_context context, krb5_error_code code, TALLOC_CTX *mem_ctx);
 121  krb5_error_code kinit_to_ccache(TALLOC_CTX *parent_ctx,
 122                           struct cli_credentials *credentials,
 123                           struct smb_krb5_context *smb_krb5_context,
 124                                  krb5_ccache ccache);
 125 krb5_error_code principal_from_credentials(TALLOC_CTX *parent_ctx,
 126                                            struct cli_credentials *credentials,
 127                                            struct smb_krb5_context *smb_krb5_context,
 128                                            krb5_principal *princ);
 129 NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx,
 130                              struct PAC_DATA **pac_data_out,
 131                              DATA_BLOB blob,
 132                              krb5_context context,
 133                              krb5_keyblock *krbtgt_keyblock,
 134                              krb5_keyblock *service_keyblock,
 135                              krb5_const_principal client_principal,
 136                              time_t tgs_authtime,
 137                              krb5_error_code *k5ret);
 138  NTSTATUS kerberos_pac_logon_info(TALLOC_CTX *mem_ctx,
 139                                   struct PAC_LOGON_INFO **logon_info,
 140                                   DATA_BLOB blob,
 141                                   krb5_context context,
 142                                   krb5_keyblock *krbtgt_keyblock,
 143                                   krb5_keyblock *service_keyblock,
 144                                   krb5_const_principal client_principal,
 145                                   time_t tgs_authtime,
 146                                   krb5_error_code *k5ret);
 147  krb5_error_code kerberos_encode_pac(TALLOC_CTX *mem_ctx,
 148                                     struct PAC_DATA *pac_data,
 149                                     krb5_context context,
 150                                     krb5_keyblock *krbtgt_keyblock,
 151                                     krb5_keyblock *service_keyblock,
 152                                      DATA_BLOB *pac) ;
 153  krb5_error_code kerberos_create_pac(TALLOC_CTX *mem_ctx,
 154                                      struct auth_serversupplied_info *server_info,
 155                                      krb5_context context,
 156                                      krb5_keyblock *krbtgt_keyblock,
 157                                      krb5_keyblock *service_keyblock,
 158                                      krb5_principal client_principal,
 159                                      time_t tgs_authtime,
 160                                      DATA_BLOB *pac);
 161
 162  int cli_credentials_set_client_gss_creds(struct cli_credentials *cred,
 163                                           gss_cred_id_t gssapi_cred,
 164                                           enum credentials_obtained obtained);
 165
 166 #include "auth/kerberos/proto.h"
 167
 168 #endif /* HAVE_KRB5 */